public class Test {
    public static void main(String[] args) {
        MySingleList list=new MySingleList();
        list.createList();
        list.display();
        System.out.println(list.size());
        list.addIndex(5,77);
        list.display();
        list.addFirst(1);
        list.display();
        list.removeAllkey(1);
        list.display();
        list.clear();
        list.display();

    }
}
